/*  Copyright (C) 2014  Egon Willighagen <egonw@users.sf.net>
 *
 *  Contact: cdk-devel@lists.sourceforge.net
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */

namespace NCDK
{
    /// <summary>    
    /// A chemical substance that consists of one or more chemical structures.
    /// Examples uses include that of a racemic mixture, a drug composition, and
    /// a nanomaterial with impurities.
    /// </summary>
    // @author     egonw
    // @cdk.module interfaces
    public interface ISubstance
        : IChemObjectSet<IAtomContainer>
    {
    }
}
